Home / 70,531.40-105,723.30-23,768.12

Finding the Fourth Proportional to 70,531.40, 105,723.30 and 23,768.12

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Solution

The fourth proportional to 70,531.40, 105,723.30 and 23,768.12 is: 35,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,531.40 : 105,723.30 = 23,768.12 : x
  2. Step 2: Convert to fraction form
    70,531.40/105,723.30 = 23,768.12/x
  3. Step 3: Cross multiply
    70,531.40x = 105,723.30 × 23,768.12
  4. Step 4: Simplify right side
    70,531.40x = 2,512,844,081.20
  5. Step 5: Solve for x
    x = 2,512,844,081.20/70,531.40
  6. Step 6: Final answer
    x = 35,627.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.